Home / 125,156,618.70-187,814,644.20-73,341,121.20

Finding the Fourth Proportional to 125,156,618.70, 187,814,644.20 and 73,341,121.20

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Solution

The fourth proportional to 125,156,618.70, 187,814,644.20 and 73,341,121.20 is: 110,058,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,156,618.70 : 187,814,644.20 = 73,341,121.20 : x
  2. Step 2: Convert to fraction form
    125,156,618.70/187,814,644.20 = 73,341,121.20/x
  3. Step 3: Cross multiply
    125,156,618.70x = 187,814,644.20 × 73,341,121.20
  4. Step 4: Simplify right side
    125,156,618.70x = 13,774,536,583,407,076
  5. Step 5: Solve for x
    x = 13,774,536,583,407,076/125,156,618.70
  6. Step 6: Final answer
    x = 110,058,395.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.